org.apache.jackrabbit.oak.plugins.index.lucene.util.fv

Class SimSearchUtils

java.lang.Object

org.apache.jackrabbit.oak.plugins.index.lucene.util.fv.SimSearchUtils

public class SimSearchUtils
extends Object

Utility methods for indexing and searching for similar feature vectors

Constructor Summary

Constructors

Constructor and Description
SimSearchUtils()

Method Summary

Modifier and Type	Method and Description
static void	bruteForceFVRerank(List<org.apache.jackrabbit.oak.plugins.index.search.PropertyDefinition> sp, org.apache.lucene.search.TopDocs docs, org.apache.lucene.search.IndexSearcher indexSearcher)
static org.apache.lucene.search.Query	getSimilarityQuery(List<org.apache.jackrabbit.oak.plugins.index.search.PropertyDefinition> sp, org.apache.lucene.index.IndexReader reader, String queryString)
static byte[]	toByteArray(List<Double> values)
static byte[]	toByteArray(String value)
static List<Double>	toDoubles(byte[] array)
static String	toDoubleString(byte[] bytes)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimSearchUtils

public SimSearchUtils()

Method Detail

toDoubleString

public static String toDoubleString(byte[] bytes)

toDoubles

public static List<Double> toDoubles(byte[] array)

toByteArray

public static byte[] toByteArray(List<Double> values)

toByteArray

public static byte[] toByteArray(String value)

getSimilarityQuery

public static org.apache.lucene.search.Query getSimilarityQuery(List<org.apache.jackrabbit.oak.plugins.index.search.PropertyDefinition> sp,
                                                                org.apache.lucene.index.IndexReader reader,
                                                                String queryString)

bruteForceFVRerank

public static void bruteForceFVRerank(List<org.apache.jackrabbit.oak.plugins.index.search.PropertyDefinition> sp,
                                      org.apache.lucene.search.TopDocs docs,
                                      org.apache.lucene.search.IndexSearcher indexSearcher)
                               throws IOException

Throws:

IOException